[INFO] fetching crate rodbus 0.1.1...
[INFO] testing rodbus-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate rodbus 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rodbus 0.1.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rodbus 0.1.1
[INFO] finished tweaking crates.io crate rodbus 0.1.1
[INFO] tweaked toml for crates.io crate rodbus 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rodbus 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-test v0.2.0
[INFO] [stderr]   Downloaded tokio-macros v0.2.1
[INFO] [stderr]   Downloaded tokio v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3df371b41d3ec900a823c9867f27eed3ae2e1e8853003709cc4e59710acd461
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3df371b41d3ec900a823c9867f27eed3ae2e1e8853003709cc4e59710acd461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3df371b41d3ec900a823c9867f27eed3ae2e1e8853003709cc4e59710acd461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3df371b41d3ec900a823c9867f27eed3ae2e1e8853003709cc4e59710acd461", kill_on_drop: false }`
[INFO] [stdout] c3df371b41d3ec900a823c9867f27eed3ae2e1e8853003709cc4e59710acd461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90b9a82a7fe74de9fab90c2f6fbf03675fbd9910e7fdbe7146719e86a11ef3f5
[INFO] running `Command { std: "docker" "start" "-a" "90b9a82a7fe74de9fab90c2f6fbf03675fbd9910e7fdbe7146719e86a11ef3f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling tokio v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling rodbus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]  --> src/util/bits.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ((count as usize + 7) / 8)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.91s
[INFO] running `Command { std: "docker" "inspect" "90b9a82a7fe74de9fab90c2f6fbf03675fbd9910e7fdbe7146719e86a11ef3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b9a82a7fe74de9fab90c2f6fbf03675fbd9910e7fdbe7146719e86a11ef3f5", kill_on_drop: false }`
[INFO] [stdout] 90b9a82a7fe74de9fab90c2f6fbf03675fbd9910e7fdbe7146719e86a11ef3f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf1d82b01bdb9be638efdb8e09dbdc0b1fa0f84416bef57749df4ed684867e39
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf1d82b01bdb9be638efdb8e09dbdc0b1fa0f84416bef57749df4ed684867e39", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling colored v1.9.1
[INFO] [stderr]    Compiling tokio-test v0.2.0
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]  --> src/util/bits.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ((count as usize + 7) / 8)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling simple_logger v1.4.0
[INFO] [stderr]    Compiling rodbus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]  --> src/util/bits.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ((count as usize + 7) / 8)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "bf1d82b01bdb9be638efdb8e09dbdc0b1fa0f84416bef57749df4ed684867e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf1d82b01bdb9be638efdb8e09dbdc0b1fa0f84416bef57749df4ed684867e39", kill_on_drop: false }`
[INFO] [stdout] bf1d82b01bdb9be638efdb8e09dbdc0b1fa0f84416bef57749df4ed684867e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc30fc326223678d6d9935020d21f9be7ee4ea8b1b586a1babbb3a0fc0b64cfb
[INFO] running `Command { std: "docker" "start" "-a" "bc30fc326223678d6d9935020d21f9be7ee4ea8b1b586a1babbb3a0fc0b64cfb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] running 37 tests
[INFO] [stderr]  --> src/util/bits.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     ((count as usize + 7) / 8)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]  --> src/util/bits.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     ((count as usize + 7) / 8)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rodbus-9a3725263ff22f29)
[INFO] [stdout] test service::parse::tests::coils::fails_when_specified_byte_count_not_present ... ok
[INFO] [stdout] test service::parse::tests::coils::can_parse_coils ... ok
[INFO] [stdout] test service::parse::tests::coils::fails_when_too_few_bytes_for_coil_byte_count ... ok
[INFO] [stdout] test service::parse::tests::coils::fails_when_too_many_bytes_for_coil_byte_count ... ok
[INFO] [stdout] test service::parse::tests::coils::fails_when_too_many_bytes_present ... ok
[INFO] [stdout] test service::validation::range::tests::address_range_validates_correctly_for_registers ... ok
[INFO] [stdout] test service::validation::range::tests::address_range_validates_correctly_for_bits ... ok
[INFO] [stdout] test service::serialization::client_response_parsers::tests::parses_vec_of_bool ... ok
[INFO] [stdout] test service::serialization::client_request_parsers::coils::parse_succeeds_for_valid_indexed_register ... ok
[INFO] [stdout] test service::serialization::client_request_parsers::coils::parse_fails_for_unknown_coil_value ... ok
[INFO] [stdout] test service::parse::tests::registers::fails_when_specified_byte_count_not_present ... ok
[INFO] [stdout] test service::parse::tests::registers::fails_when_too_many_bytes_for_coil_byte_count ... ok
[INFO] [stdout] test service::parse::tests::registers::fails_when_too_few_bytes_for_coil_byte_count ... ok
[INFO] [stdout] test service::serialization::client_request_parsers::coils::parse_succeeds_for_valid_coil_value_true ... ok
[INFO] [stdout] test tcp::frame::tests::errors_on_length_of_zero ... ok
[INFO] [stdout] test types::tests::address_count_zero_fails_validation ... ok
[INFO] [stdout] test types::tests::address_maximum_range_is_ok ... ok
[INFO] [stdout] test types::tests::address_start_max_count_of_one_is_allowed ... ok
[INFO] [stdout] test service::parse::tests::registers::fails_when_too_many_bytes_present ... ok
[INFO] [stdout] test tcp::frame::tests::correctly_formats_frame ... ok
[INFO] [stdout] test service::serialization::serialize::tests::serializes_address_range ... ok
[INFO] [stdout] test types::tests::cannot_create_bit_iterator_with_invalid_address_range ... ok
[INFO] [stdout] test service::parse::tests::registers::can_parse_registers ... ok
[INFO] [stdout] test types::tests::cannot_create_bit_iterator_with_bad_count ... ok
[INFO] [stdout] test tcp::frame::tests::errors_on_bad_protocol_id ... ok
[INFO] [stdout] test tcp::frame::tests::errors_when_mbap_length_too_big ... ok
[INFO] [stdout] test tcp::frame::tests::can_parse_frame_if_segmented_in_header ... ok
[INFO] [stdout] test types::tests::cannot_create_register_iterator_with_invalid_address_range ... ok
[INFO] [stdout] test service::serialization::client_request_parsers::coils::parse_succeeds_for_valid_coil_value_false ... ok
[INFO] [stdout] test types::tests::start_max_count_of_two_overflows ... ok
[INFO] [stdout] test util::bits::tests::calculates_number_of_bytes_needed_for_count_of_packed_bits ... ok
[INFO] [stdout] test types::tests::cannot_create_register_iterator_with_invalid_byte_count ... ok
[INFO] [stdout] test types::tests::correctly_iterates_over_low_order_bits ... ok
[INFO] [stdout] test types::tests::correctly_iterates_over_registers ... ok
[INFO] [stdout] test tcp::frame::tests::can_parse_maximum_size_frame ... ok
[INFO] [stdout] test tcp::frame::tests::can_parse_frame_from_stream ... ok
[INFO] [stderr]    Doc-tests rodbus
[INFO] [stdout] test tcp::frame::tests::can_parse_frame_if_segmented_in_payload ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]  --> /opt/rustwide/workdir/src/util/bits.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     ((count as usize + 7) / 8)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 39) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 82) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc30fc326223678d6d9935020d21f9be7ee4ea8b1b586a1babbb3a0fc0b64cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc30fc326223678d6d9935020d21f9be7ee4ea8b1b586a1babbb3a0fc0b64cfb", kill_on_drop: false }`
[INFO] [stdout] bc30fc326223678d6d9935020d21f9be7ee4ea8b1b586a1babbb3a0fc0b64cfb